{"product_id":"omron-cs1w-ad081-v1-cs-series-analog-input-unit","title":"Omron CS1W-AD081-V1 CS Series Analog Input Unit","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDesigned for seamless integration into Sysmac CS-Series PLC backplanes, the \u003cstrong\u003eOmron CS1W-AD081-V1\u003c\/strong\u003e Analog Input Unit provides high-density, multi-channel analog-to-digital signal conversion. This Special I\/O Unit supports \u003cstrong\u003e8 independent analog input channels\u003c\/strong\u003e, allowing direct connection to industrial sensors, transmitters, and flowmeters. Each channel can be configured individually for diverse signal ranges, ensuring maximum system flexibility without requiring dedicated signal conditioning hardware. The module offers selectable high-resolution conversion profiles and robust noise-filtering parameters to deliver clean, reliable process variables to the CPU rack.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndividual Channel Configuration:\u003c\/strong\u003e Select voltage or current input ranges independently for each of the 8 channels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelectable Resolution:\u003c\/strong\u003e Configurable conversion resolutions of 1\/8,000 or 1\/4,000 to match process accuracy requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Speed Conversion:\u003c\/strong\u003e Operates at a conversion speed of up to 250 microseconds per point (settable to 1 millisecond per point).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDetachable Connections:\u003c\/strong\u003e Includes a 21-point detachable M3 screw terminal block for efficient field wiring and rapid module replacement.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePeak Hold Function:\u003c\/strong\u003e Stores maximum conversion values during high-speed transient monitoring cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eChemical processing and multi-zone temperature logging.\u003c\/li\u003e\n  \u003cli\u003eFlow rate, hydraulic pressure, and level monitoring in water treatment infrastructure.\u003c\/li\u003e\n  \u003cli\u003ePumping station control loops utilizing 4 to 20 mA feedback transmitters.\u003c\/li\u003e\n  \u003cli\u003eFactory automation and process integration on Sysmac CS1G, CS1H, and CS1D control platforms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eSpecification\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eOmron\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eCS1W-AD081-V1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eUnit Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eCS-Series Special I\/O Unit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eNumber of Analog Inputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e8 inputs (non-isolated between channels, isolated from PLC bus)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInput Signal Ranges (Voltage)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e1 to 5 V, 0 to 5 V, 0 to 10 V, -10 to +10 V\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInput Signal Ranges (Current)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e4 to 20 mA\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eConversion Resolution\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e1\/8,000 (settable to 1\/4,000 via DM parameters)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eConversion Speed\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e250 microseconds\/point max. (settable to 1 ms\/point)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eExternal Wiring Terminals\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e21-point detachable terminal block (M3 self-raising screws)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInternal Power Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003e120 mA max. at 5 VDC, 90 mA max. at 26 VDC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0 to 55 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eJapan\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e3.0 kg (including shipping protection and original OEM box)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003ePackage Dimensions (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e155 x 135 x 45 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe \u003cstrong\u003eCS1W-AD081-V1\u003c\/strong\u003e is a direct replacement for the legacy, non-V1 CS1W-AD081 module. The \"V1\" suffix indicates enhanced internal filtering capabilities and optimized CPU bus communication protocols. When migrating older applications to this V1 hardware, ensure that your CX-Programmer I\/O table is updated to reflect the V1 designation to prevent configuration mismatch faults (H-type I\/O errors) during hardware download cycles.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eNote that the channels on the CS1W-AD081-V1 are isolated from the internal PLC logic bus, but are \u003cstrong\u003enot isolated from channel to channel\u003c\/strong\u003e. They share a common ground line (COM). If you connect field transmitters that have differing ground potentials or use active loop-powered transmitters without 3-way isolation barriers, ground loops will occur. This will distort analog readings and could potentially damage the module's multiplexer circuitry. If channel-to-channel isolation is a project requirement, you must use external isolation signal converters or step up to a fully isolated analog module series.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eTo configure a channel for a 4 to 20 mA current input, you must bridge the voltage input terminal (V IN) with the current input terminal (I IN) using a jumper wire on the detachable terminal block. This short engages the internal precision 250-ohm shunt resistor. Failure to bridge these terminals when selecting current mode in the software configuration will result in an input out-of-range flag. Shielded twisted-pair cables are mandatory for all analog runs, and shields should be grounded at a single, clean grounding point (GR terminal) on the PLC panel side.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 0.5rem;\"\u003eCRITICAL WARNING\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eAlways completely de-energize the PLC rack, CPU, and all external power supplies connected to field devices before mounting or removing the analog input module or detach\/attach the M3 terminal block. Performing hot-swapping procedures will cause irreparable damage to the internal bus transceiver logic and will immediately void the manufacturer warranty.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; min-width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 14px;\"\u003e1\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003e\u003cstrong\u003eConfigure Unit Number:\u003c\/strong\u003e Set the two rotary switches on the front panel of the CS1W-AD081-V1 to select the desired unit number (MACH No.) within the allowable range (0 to 95). Ensure this does not conflict with existing special I\/O units on the same bus.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; min-width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 14px;\"\u003e2\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003e\u003cstrong\u003eMount Unit to Backplane:\u003c\/strong\u003e Align the bottom hook of the module with the slot on the backplane, and swing the module upward until it seats firmly. Secure the top mounting screw to ensure robust grounding and mechanical connection.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; min-width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 14px;\"\u003e3\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003e\u003cstrong\u003eWire Field Signals:\u003c\/strong\u003e Connect the field sensor leads to the detachable 21-point terminal block. For current inputs, verify the V IN and I IN shorting jumper is securely installed. Tighten all M3 terminal screws to 0.5 N-m torque.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; min-width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 14px;\"\u003e4\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003e\u003cstrong\u003eSoftware Parameters Download:\u003c\/strong\u003e In CX-Programmer, open the IO Table, register the module, and access the \"Special I\/O Unit Settings\" to enable each channel, select range values, and specify conversion speed before executing a CPU download.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":53077899346283,"sku":"CS1W-AD081-V1","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/CS1W-AD081-V1-unuaxc5f3re.png?v=1775733690","url":"https:\/\/www.plcprotech.com\/ru\/products\/omron-cs1w-ad081-v1-cs-series-analog-input-unit","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}